From 03c918fec065a0fcc9d00b7062af267bfcd81136 Mon Sep 17 00:00:00 2001
From: Sean Lang <slang800@gmail.com>
Date: Fri, 13 May 2016 21:09:42 -0400
Subject: [PATCH] fix handling bad front-matter & add test

---
 lib/index.coffee  | 15 ++++++++++-----
 test/index.coffee | 11 +++++++++++
 2 files changed, 21 insertions(+), 5 deletions(-)

diff --git a/lib/index.coffee b/lib/index.coffee
index 5c25102..8ffd88c 100644
--- a/lib/index.coffee
+++ b/lib/index.coffee
@@ -243,11 +243,16 @@ module.exports = (dirtyMarkdown, options = {}) ->
   out = ''
 
   # handle yaml front-matter
-  content = fm(dirtyMarkdown)
-  if Object.keys(content.attributes).length isnt 0
-    out += '---\n' + yaml.safeDump(content.attributes).trim() + '\n---\n\n'
-
-  ast = marked.lexer(content.body)
+  try
+    content = fm(dirtyMarkdown)
+    if Object.keys(content.attributes).length isnt 0
+      out += '---\n' + yaml.safeDump(content.attributes).trim() + '\n---\n\n'
+    content = content.body
+  catch
+    # parsing failed, just ignore front-matter
+    content = dirtyMarkdown
+
+  ast = marked.lexer(content)
 
   rawLinks = ast.links # see issue: https://github.com/chjj/marked/issues/472
   links = []
diff --git a/test/index.coffee b/test/index.coffee
index 8af5a8a..4c0560a 100644
--- a/test/index.coffee
+++ b/test/index.coffee
@@ -761,6 +761,17 @@ describe 'front-matter', ->
       My content
     ''')
 
+  it 'should ignore stuff that looks like (but isn\'t) front-matter', ->
+    tidyMdSnippet('''
+      ---
+      `hi`
+      ---
+    ''').should.equal('''
+      --------------------------------------------------------------------------------
+
+      # `hi`
+    ''')
+
 describe 'comments', ->
   it 'should handle comments', ->
     tidyMdSnippet('''